package reflect;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

/**
 * 通过反射机制调用有参方法
 */
public class ReflectDemo5 {
    public static void main(String[] args) throws Exception {

        Class cls = Class.forName("reflect.Person");
        Constructor c = cls.getConstructor(String.class);
        Object obj = c.newInstance("张三");

        //say(String)
        Method method = cls.getMethod("say", String.class);
        method.invoke(obj,"大家好!");

        //say(String,int)
        Method method1 = cls.getMethod("say", String.class, int.class);
        method1.invoke(obj,"大家好!",5);





    }
}
